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From: Thomas Gleixner <tglx@linutronix.de>
To: Santosh Sivaraj <santosh@fossix.org>
Cc: x86@kernel.org, Linux Kernel <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH] x86/mce: Remove redundant irq work
Date: Tue, 30 Jul 2019 10:44:34 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.1907301042190.1738@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20190730061520.19953-1-santosh@fossix.org>

On Tue, 30 Jul 2019, Santosh Sivaraj wrote:

> IRQ work currently only does a schedule work to process the mce
> events. Since irq work does no other function, remove it.

No. You _cannot call schedule_work() from MCE exception context as MCE can
interrupt even interrupt disabled context similar to NMI. irq work is
designed to work in those contexts.

Thanks,

	tglx

      parent reply	other threads:[~2019-07-30  8:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30  6:15 [PATCH] x86/mce: Remove redundant irq work Santosh Sivaraj
2019-07-30  8:19 ` Peter Zijlstra
2019-07-30  8:44 ` Thomas Gleixner [this message]

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